R语言 unname()用法及代码示例

#R语言 unname()用法及代码示例| 来源: 网络整理| 查看: 265

unname()R 语言中的函数用于从对象中删除名称或名称。

用法： unname(x)

参数：x:Object

范例1：

# R Program to remove names from an object # Creating a matrix A = matrix(c(1:9), 3, 3) # Naming rows rownames(A) = c("a", "b", "c") # Naming columns colnames(A) = c("c", "d", "e") print(A) # Removing names using unname() function unname(A)

输出：

c d e a 1 4 7 b 2 5 8 c 3 6 9 [, 1] [, 2] [, 3] [1, ] 1 4 7 [2, ] 2 5 8 [3, ] 3 6 9

范例2：

# R Program to remove names from an object # Calling pre-defined data set BOD # Removing names using unname() function unname(BOD)

输出：

Time demand 1 1 8.3 2 2 10.3 3 3 19.0 4 4 16.0 5 5 15.6 6 7 19.8 1 1 8.3 2 2 10.3 3 3 19.0 4 4 16.0 5 5 15.6 6 7 19.8